11887965

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 21562200

約数和(自身を除く): 9674235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 197, 405, 447, 591, 745, 985, 1341, 1773, 2235, 2955, 4023, 5319, 6705, 8865, 12069, 15957, 20115, 26595, 29353, 60345, 79785, 88059, 146765, 264177, 440295, 792531, 1320885, 2377593, 3962655, 11887965]

約数ペア:

[(1, 11887965), (3, 3962655), (5, 2377593), (9, 1320885), (15, 792531), (27, 440295), (45, 264177), (81, 146765), (135, 88059), (149, 79785), (197, 60345), (405, 29353), (447, 26595), (591, 20115), (745, 15957), (985, 12069), (1341, 8865), (1773, 6705), (2235, 5319), (2955, 4023)]