13351905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 27648000

約数和(自身を除く): 14296095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 199, 213, 315, 355, 497, 597, 639, 945, 995, 1065, 1393, 1491, 1791, 1917, 2485, 2985, 3195, 4179, 4473, 5373, 6965, 7455, 8955, 9585, 12537, 13419, 14129, 20895, 22365, 26865, 37611, 42387, 62685, 67095, 70645, 98903, 127161, 188055, 211935, 296709, 381483, 494515, 635805, 890127, 1483545, 1907415, 2670381, 4450635, 13351905]

約数ペア:

[(1, 13351905), (3, 4450635), (5, 2670381), (7, 1907415), (9, 1483545), (15, 890127), (21, 635805), (27, 494515), (35, 381483), (45, 296709), (63, 211935), (71, 188055), (105, 127161), (135, 98903), (189, 70645), (199, 67095), (213, 62685), (315, 42387), (355, 37611), (497, 26865), (597, 22365), (639, 20895), (945, 14129), (995, 13419), (1065, 12537), (1393, 9585), (1491, 8955), (1791, 7455), (1917, 6965), (2485, 5373), (2985, 4473), (3195, 4179)]