25005645

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 26972595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 563, 705, 945, 987, 1269, 1645, 1689, 2115, 2815, 2961, 3941, 4935, 5067, 6345, 8445, 8883, 11823, 14805, 15201, 19705, 25335, 26461, 35469, 44415, 59115, 76005, 79383, 106407, 132305, 177345, 185227, 238149, 396915, 532035, 555681, 714447, 926135, 1190745, 1667043, 2778405, 3572235, 5001129, 8335215, 25005645]

約数ペア:

[(1, 25005645), (3, 8335215), (5, 5001129), (7, 3572235), (9, 2778405), (15, 1667043), (21, 1190745), (27, 926135), (35, 714447), (45, 555681), (47, 532035), (63, 396915), (105, 238149), (135, 185227), (141, 177345), (189, 132305), (235, 106407), (315, 79383), (329, 76005), (423, 59115), (563, 44415), (705, 35469), (945, 26461), (987, 25335), (1269, 19705), (1645, 15201), (1689, 14805), (2115, 11823), (2815, 8883), (2961, 8445), (3941, 6345), (4935, 5067)]