208080735

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 337867200

約数和(自身を除く): 129786465

約数列:

[1, 3, 5, 15, 149, 157, 447, 471, 593, 745, 785, 1779, 2235, 2355, 2965, 8895, 23393, 70179, 88357, 93101, 116965, 265071, 279303, 350895, 441785, 465505, 1325355, 1396515, 13872049, 41616147, 69360245, 208080735]

約数ペア:

[(1, 208080735), (3, 69360245), (5, 41616147), (15, 13872049), (149, 1396515), (157, 1325355), (447, 465505), (471, 441785), (593, 350895), (745, 279303), (785, 265071), (1779, 116965), (2235, 93101), (2355, 88357), (2965, 70179), (8895, 23393)]