9711990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 26515008

約数和(自身を除く): 16803018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 59, 62, 90, 93, 118, 155, 177, 186, 279, 295, 310, 354, 465, 531, 558, 590, 885, 930, 1062, 1395, 1770, 1829, 2655, 2790, 3481, 3658, 5310, 5487, 6962, 9145, 10443, 10974, 16461, 17405, 18290, 20886, 27435, 31329, 32922, 34810, 52215, 54870, 62658, 82305, 104430, 107911, 156645, 164610, 215822, 313290, 323733, 539555, 647466, 971199, 1079110, 1618665, 1942398, 3237330, 4855995, 9711990]

約数ペア:

[(1, 9711990), (2, 4855995), (3, 3237330), (5, 1942398), (6, 1618665), (9, 1079110), (10, 971199), (15, 647466), (18, 539555), (30, 323733), (31, 313290), (45, 215822), (59, 164610), (62, 156645), (90, 107911), (93, 104430), (118, 82305), (155, 62658), (177, 54870), (186, 52215), (279, 34810), (295, 32922), (310, 31329), (354, 27435), (465, 20886), (531, 18290), (558, 17405), (590, 16461), (885, 10974), (930, 10443), (1062, 9145), (1395, 6962), (1770, 5487), (1829, 5310), (2655, 3658), (2790, 3481)]