81554490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29231}}^1$

素因数の和:29275

約数の個数: 48

約数和(自身を含む): 218889216

約数和(自身を除く): 137334726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 29231, 58462, 87693, 146155, 175386, 263079, 292310, 438465, 526158, 876930, 906161, 1315395, 1812322, 2630790, 2718483, 4530805, 5436966, 8155449, 9061610, 13592415, 16310898, 27184830, 40777245, 81554490]

約数ペア:

[(1, 81554490), (2, 40777245), (3, 27184830), (5, 16310898), (6, 13592415), (9, 9061610), (10, 8155449), (15, 5436966), (18, 4530805), (30, 2718483), (31, 2630790), (45, 1812322), (62, 1315395), (90, 906161), (93, 876930), (155, 526158), (186, 438465), (279, 292310), (310, 263079), (465, 175386), (558, 146155), (930, 87693), (1395, 58462), (2790, 29231)]