65170215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 128263824

約数和(自身を除く): 63093609

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 137, 155, 165, 279, 341, 411, 465, 495, 685, 961, 1023, 1233, 1395, 1507, 1705, 2055, 2883, 3069, 4247, 4521, 4805, 5115, 6165, 7535, 8649, 10571, 12741, 13563, 14415, 15345, 21235, 22605, 31713, 38223, 43245, 46717, 52855, 63705, 67815, 95139, 131657, 140151, 158565, 191115, 233585, 394971, 420453, 475695, 658285, 700755, 1184913, 1448227, 1974855, 2102265, 4344681, 5924565, 7241135, 13034043, 21723405, 65170215]

約数ペア:

[(1, 65170215), (3, 21723405), (5, 13034043), (9, 7241135), (11, 5924565), (15, 4344681), (31, 2102265), (33, 1974855), (45, 1448227), (55, 1184913), (93, 700755), (99, 658285), (137, 475695), (155, 420453), (165, 394971), (279, 233585), (341, 191115), (411, 158565), (465, 140151), (495, 131657), (685, 95139), (961, 67815), (1023, 63705), (1233, 52855), (1395, 46717), (1507, 43245), (1705, 38223), (2055, 31713), (2883, 22605), (3069, 21235), (4247, 15345), (4521, 14415), (4805, 13563), (5115, 12741), (6165, 10571), (7535, 8649)]