156975975

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 321385680

約数和(自身を除く): 164409705

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 67, 75, 81, 89, 117, 135, 195, 201, 225, 267, 325, 335, 351, 405, 445, 585, 603, 675, 801, 871, 975, 1005, 1053, 1157, 1335, 1675, 1755, 1809, 2025, 2225, 2403, 2613, 2925, 3015, 3471, 4005, 4355, 5025, 5265, 5427, 5785, 5963, 6675, 7209, 7839, 8775, 9045, 10413, 12015, 13065, 15075, 17355, 17889, 20025, 21775, 23517, 26325, 27135, 28925, 29815, 31239, 36045, 39195, 45225, 52065, 53667, 60075, 65325, 70551, 77519, 86775, 89445, 93717, 117585, 135675, 149075, 156195, 161001, 180225, 195975, 232557, 260325, 268335, 352755, 387595, 447225, 468585, 483003, 587925, 697671, 780975, 805005, 1162785, 1341675, 1763775, 1937975, 2093013, 2342925, 2415015, 3488355, 4025025, 5813925, 6279039, 10465065, 12075075, 17441775, 31395195, 52325325, 156975975]

約数ペア:

[(1, 156975975), (3, 52325325), (5, 31395195), (9, 17441775), (13, 12075075), (15, 10465065), (25, 6279039), (27, 5813925), (39, 4025025), (45, 3488355), (65, 2415015), (67, 2342925), (75, 2093013), (81, 1937975), (89, 1763775), (117, 1341675), (135, 1162785), (195, 805005), (201, 780975), (225, 697671), (267, 587925), (325, 483003), (335, 468585), (351, 447225), (405, 387595), (445, 352755), (585, 268335), (603, 260325), (675, 232557), (801, 195975), (871, 180225), (975, 161001), (1005, 156195), (1053, 149075), (1157, 135675), (1335, 117585), (1675, 93717), (1755, 89445), (1809, 86775), (2025, 77519), (2225, 70551), (2403, 65325), (2613, 60075), (2925, 53667), (3015, 52065), (3471, 45225), (4005, 39195), (4355, 36045), (5025, 31239), (5265, 29815), (5427, 28925), (5785, 27135), (5963, 26325), (6675, 23517), (7209, 21775), (7839, 20025), (8775, 17889), (9045, 17355), (10413, 15075), (12015, 13065)]