81674244

素因数分解:

$2^2\times 3^6\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 84

約数和(自身を含む): 220379404

約数和(自身を除く): 138705160

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 729, 757, 972, 999, 1332, 1458, 1514, 1998, 2271, 2916, 2997, 3028, 3996, 4542, 5994, 6813, 8991, 9084, 11988, 13626, 17982, 20439, 26973, 27252, 28009, 35964, 40878, 53946, 56018, 61317, 81756, 84027, 107892, 112036, 122634, 168054, 183951, 245268, 252081, 336108, 367902, 504162, 551853, 735804, 756243, 1008324, 1103706, 1512486, 2207412, 2268729, 3024972, 4537458, 6806187, 9074916, 13612374, 20418561, 27224748, 40837122, 81674244]

約数ペア:

[(1, 81674244), (2, 40837122), (3, 27224748), (4, 20418561), (6, 13612374), (9, 9074916), (12, 6806187), (18, 4537458), (27, 3024972), (36, 2268729), (37, 2207412), (54, 1512486), (74, 1103706), (81, 1008324), (108, 756243), (111, 735804), (148, 551853), (162, 504162), (222, 367902), (243, 336108), (324, 252081), (333, 245268), (444, 183951), (486, 168054), (666, 122634), (729, 112036), (757, 107892), (972, 84027), (999, 81756), (1332, 61317), (1458, 56018), (1514, 53946), (1998, 40878), (2271, 35964), (2916, 28009), (2997, 27252), (3028, 26973), (3996, 20439), (4542, 17982), (5994, 13626), (6813, 11988), (8991, 9084)]