81462255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 152915040

約数和(自身を除く): 71452785

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 809, 959, 2055, 2427, 2877, 4045, 4795, 5663, 6713, 12135, 14385, 16989, 20139, 28315, 33565, 39641, 84945, 100695, 110833, 118923, 198205, 332499, 554165, 594615, 775831, 1662495, 2327493, 3879155, 5430817, 11637465, 16292451, 27154085, 81462255]

約数ペア:

[(1, 81462255), (3, 27154085), (5, 16292451), (7, 11637465), (15, 5430817), (21, 3879155), (35, 2327493), (49, 1662495), (105, 775831), (137, 594615), (147, 554165), (245, 332499), (411, 198205), (685, 118923), (735, 110833), (809, 100695), (959, 84945), (2055, 39641), (2427, 33565), (2877, 28315), (4045, 20139), (4795, 16989), (5663, 14385), (6713, 12135)]