79949775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 137991168

約数和(自身を除く): 58041393

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 137, 155, 251, 411, 465, 685, 753, 775, 1255, 2055, 2325, 3425, 3765, 4247, 6275, 7781, 10275, 12741, 18825, 21235, 23343, 34387, 38905, 63705, 103161, 106175, 116715, 171935, 194525, 318525, 515805, 583575, 859675, 1065997, 2579025, 3197991, 5329985, 15989955, 26649925, 79949775]

約数ペア:

[(1, 79949775), (3, 26649925), (5, 15989955), (15, 5329985), (25, 3197991), (31, 2579025), (75, 1065997), (93, 859675), (137, 583575), (155, 515805), (251, 318525), (411, 194525), (465, 171935), (685, 116715), (753, 106175), (775, 103161), (1255, 63705), (2055, 38905), (2325, 34387), (3425, 23343), (3765, 21235), (4247, 18825), (6275, 12741), (7781, 10275)]