2031885

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 3789720

約数和(自身を除く): 1757835

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 173, 261, 405, 435, 519, 783, 865, 1305, 1557, 2349, 2595, 3915, 4671, 5017, 7785, 11745, 14013, 15051, 23355, 25085, 45153, 70065, 75255, 135459, 225765, 406377, 677295, 2031885]

約数ペア:

[(1, 2031885), (3, 677295), (5, 406377), (9, 225765), (15, 135459), (27, 75255), (29, 70065), (45, 45153), (81, 25085), (87, 23355), (135, 15051), (145, 14013), (173, 11745), (261, 7785), (405, 5017), (435, 4671), (519, 3915), (783, 2595), (865, 2349), (1305, 1557)]