644408583

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{23371}}^1$

素因数の和:23495

約数の個数: 32

約数和(自身を含む): 1068006912

約数和(自身を除く): 423598329

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 1313, 2121, 3939, 9191, 23371, 27573, 70113, 163597, 303823, 490791, 911469, 2126761, 2360471, 6380283, 7081413, 16523297, 30686123, 49569891, 92058369, 214802861, 644408583]

約数ペア:

[(1, 644408583), (3, 214802861), (7, 92058369), (13, 49569891), (21, 30686123), (39, 16523297), (91, 7081413), (101, 6380283), (273, 2360471), (303, 2126761), (707, 911469), (1313, 490791), (2121, 303823), (3939, 163597), (9191, 70113), (23371, 27573)]