31355946

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 73759140

約数和(自身を除く): 42403194

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 89, 111, 138, 178, 207, 222, 267, 333, 414, 529, 534, 666, 801, 851, 1058, 1587, 1602, 1702, 2047, 2553, 3174, 3293, 4094, 4761, 5106, 6141, 6586, 7659, 9522, 9879, 12282, 15318, 18423, 19573, 19758, 29637, 36846, 39146, 47081, 58719, 59274, 75739, 94162, 117438, 141243, 151478, 176157, 227217, 282486, 352314, 423729, 454434, 681651, 847458, 1363302, 1741997, 3483994, 5225991, 10451982, 15677973, 31355946]

約数ペア:

[(1, 31355946), (2, 15677973), (3, 10451982), (6, 5225991), (9, 3483994), (18, 1741997), (23, 1363302), (37, 847458), (46, 681651), (69, 454434), (74, 423729), (89, 352314), (111, 282486), (138, 227217), (178, 176157), (207, 151478), (222, 141243), (267, 117438), (333, 94162), (414, 75739), (529, 59274), (534, 58719), (666, 47081), (801, 39146), (851, 36846), (1058, 29637), (1587, 19758), (1602, 19573), (1702, 18423), (2047, 15318), (2553, 12282), (3174, 9879), (3293, 9522), (4094, 7659), (4761, 6586), (5106, 6141)]