31919706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 72

約数和(自身を含む): 85644000

約数和(自身を除く): 53724294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 1014, 1183, 1499, 1521, 1638, 2366, 2998, 3042, 3549, 4497, 7098, 8994, 10493, 10647, 13491, 19487, 20986, 21294, 26982, 31479, 38974, 58461, 62958, 94437, 116922, 136409, 175383, 188874, 253331, 272818, 350766, 409227, 506662, 759993, 818454, 1227681, 1519986, 1773317, 2279979, 2455362, 3546634, 4559958, 5319951, 10639902, 15959853, 31919706]

約数ペア:

[(1, 31919706), (2, 15959853), (3, 10639902), (6, 5319951), (7, 4559958), (9, 3546634), (13, 2455362), (14, 2279979), (18, 1773317), (21, 1519986), (26, 1227681), (39, 818454), (42, 759993), (63, 506662), (78, 409227), (91, 350766), (117, 272818), (126, 253331), (169, 188874), (182, 175383), (234, 136409), (273, 116922), (338, 94437), (507, 62958), (546, 58461), (819, 38974), (1014, 31479), (1183, 26982), (1499, 21294), (1521, 20986), (1638, 19487), (2366, 13491), (2998, 10647), (3042, 10493), (3549, 8994), (4497, 7098)]