87691461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2977

約数の個数: 32

約数和(自身を含む): 139345920

約数和(自身を除く): 51654459

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2769, 2879, 8637, 10153, 30459, 31669, 37427, 95007, 112281, 204409, 411697, 613227, 1235091, 2248499, 2657317, 6745497, 7971951, 29230487, 87691461]

約数ペア:

[(1, 87691461), (3, 29230487), (11, 7971951), (13, 6745497), (33, 2657317), (39, 2248499), (71, 1235091), (143, 613227), (213, 411697), (429, 204409), (781, 112281), (923, 95007), (2343, 37427), (2769, 31669), (2879, 30459), (8637, 10153)]