28640469

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 45376128

約数和(自身を除く): 16735659

約数列:

[1, 3, 11, 13, 33, 39, 101, 143, 303, 429, 661, 1111, 1313, 1983, 3333, 3939, 7271, 8593, 14443, 21813, 25779, 43329, 66761, 94523, 200283, 283569, 734371, 867893, 2203113, 2603679, 9546823, 28640469]

約数ペア:

[(1, 28640469), (3, 9546823), (11, 2603679), (13, 2203113), (33, 867893), (39, 734371), (101, 283569), (143, 200283), (303, 94523), (429, 66761), (661, 43329), (1111, 25779), (1313, 21813), (1983, 14443), (3333, 8593), (3939, 7271)]