1993994499

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{142357}}^1$

素因数の和:142419

約数の個数: 32

約数和(自身を含む): 3279928320

約数和(自身を除く): 1285933821

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 4669, 14007, 142357, 427071, 996499, 2989497, 3274211, 4128353, 9822633, 12385059, 22919477, 28898471, 68758431, 86695413, 94952119, 284856357, 664664833, 1993994499]

約数ペア:

[(1, 1993994499), (3, 664664833), (7, 284856357), (21, 94952119), (23, 86695413), (29, 68758431), (69, 28898471), (87, 22919477), (161, 12385059), (203, 9822633), (483, 4128353), (609, 3274211), (667, 2989497), (2001, 996499), (4669, 427071), (14007, 142357)]