81145197

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41549}}^1$

素因数の和:41593

約数の個数: 24

約数和(自身を含む): 138278400

約数和(自身を除く): 57133203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 41549, 124647, 290843, 373941, 872529, 1288019, 2617587, 3864057, 9016133, 11592171, 27048399, 81145197]

約数ペア:

[(1, 81145197), (3, 27048399), (7, 11592171), (9, 9016133), (21, 3864057), (31, 2617587), (63, 1288019), (93, 872529), (217, 373941), (279, 290843), (651, 124647), (1953, 41549)]