81145476

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{2693}}^1$

素因数の和:2743

約数の個数: 72

約数和(自身を含む): 219657984

約数和(自身を除く): 138512508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 2693, 3348, 5022, 5386, 7533, 8079, 10044, 10772, 15066, 16158, 24237, 30132, 32316, 48474, 72711, 83483, 96948, 145422, 166966, 218133, 250449, 290844, 333932, 436266, 500898, 654399, 751347, 872532, 1001796, 1308798, 1502694, 2254041, 2617596, 3005388, 4508082, 6762123, 9016164, 13524246, 20286369, 27048492, 40572738, 81145476]

約数ペア:

[(1, 81145476), (2, 40572738), (3, 27048492), (4, 20286369), (6, 13524246), (9, 9016164), (12, 6762123), (18, 4508082), (27, 3005388), (31, 2617596), (36, 2254041), (54, 1502694), (62, 1308798), (81, 1001796), (93, 872532), (108, 751347), (124, 654399), (162, 500898), (186, 436266), (243, 333932), (279, 290844), (324, 250449), (372, 218133), (486, 166966), (558, 145422), (837, 96948), (972, 83483), (1116, 72711), (1674, 48474), (2511, 32316), (2693, 30132), (3348, 24237), (5022, 16158), (5386, 15066), (7533, 10772), (8079, 10044)]