51902955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 103255152

約数和(自身を除く): 51352197

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 289, 307, 585, 663, 765, 867, 921, 1105, 1445, 1535, 1989, 2601, 2763, 3315, 3757, 3991, 4335, 4605, 5219, 9945, 11271, 11973, 13005, 13815, 15657, 18785, 19955, 26095, 33813, 35919, 46971, 56355, 59865, 67847, 78285, 88723, 169065, 179595, 203541, 234855, 266169, 339235, 443615, 610623, 798507, 1017705, 1153399, 1330845, 3053115, 3460197, 3992535, 5766995, 10380591, 17300985, 51902955]

約数ペア:

[(1, 51902955), (3, 17300985), (5, 10380591), (9, 5766995), (13, 3992535), (15, 3460197), (17, 3053115), (39, 1330845), (45, 1153399), (51, 1017705), (65, 798507), (85, 610623), (117, 443615), (153, 339235), (195, 266169), (221, 234855), (255, 203541), (289, 179595), (307, 169065), (585, 88723), (663, 78285), (765, 67847), (867, 59865), (921, 56355), (1105, 46971), (1445, 35919), (1535, 33813), (1989, 26095), (2601, 19955), (2763, 18785), (3315, 15657), (3757, 13815), (3991, 13005), (4335, 11973), (4605, 11271), (5219, 9945)]