28369185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 53547264

約数和(自身を除く): 25178079

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 169, 195, 247, 285, 361, 403, 465, 507, 589, 741, 845, 1083, 1209, 1235, 1767, 1805, 2015, 2535, 2945, 3211, 3705, 4693, 5239, 5415, 6045, 7657, 8835, 9633, 11191, 14079, 15717, 16055, 22971, 23465, 26195, 33573, 38285, 48165, 55955, 61009, 70395, 78585, 99541, 114855, 145483, 167865, 183027, 298623, 305045, 436449, 497705, 727415, 915135, 1493115, 1891279, 2182245, 5673837, 9456395, 28369185]

約数ペア:

[(1, 28369185), (3, 9456395), (5, 5673837), (13, 2182245), (15, 1891279), (19, 1493115), (31, 915135), (39, 727415), (57, 497705), (65, 436449), (93, 305045), (95, 298623), (155, 183027), (169, 167865), (195, 145483), (247, 114855), (285, 99541), (361, 78585), (403, 70395), (465, 61009), (507, 55955), (589, 48165), (741, 38285), (845, 33573), (1083, 26195), (1209, 23465), (1235, 22971), (1767, 16055), (1805, 15717), (2015, 14079), (2535, 11191), (2945, 9633), (3211, 8835), (3705, 7657), (4693, 6045), (5239, 5415)]