89987265

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 162279936

約数和(自身を除く): 72292671

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 251, 257, 279, 465, 753, 771, 1255, 1285, 1395, 2259, 2313, 3765, 3855, 7781, 7967, 11295, 11565, 23343, 23901, 38905, 39835, 64507, 70029, 71703, 116715, 119505, 193521, 322535, 350145, 358515, 580563, 967605, 1999717, 2902815, 5999151, 9998585, 17997453, 29995755, 89987265]

約数ペア:

[(1, 89987265), (3, 29995755), (5, 17997453), (9, 9998585), (15, 5999151), (31, 2902815), (45, 1999717), (93, 967605), (155, 580563), (251, 358515), (257, 350145), (279, 322535), (465, 193521), (753, 119505), (771, 116715), (1255, 71703), (1285, 70029), (1395, 64507), (2259, 39835), (2313, 38905), (3765, 23901), (3855, 23343), (7781, 11565), (7967, 11295)]