1331235

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 2526480

約数和(自身を除く): 1195245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 173, 285, 405, 513, 519, 855, 865, 1539, 1557, 2565, 2595, 3287, 4671, 7695, 7785, 9861, 14013, 16435, 23355, 29583, 49305, 70065, 88749, 147915, 266247, 443745, 1331235]

約数ペア:

[(1, 1331235), (3, 443745), (5, 266247), (9, 147915), (15, 88749), (19, 70065), (27, 49305), (45, 29583), (57, 23355), (81, 16435), (95, 14013), (135, 9861), (171, 7785), (173, 7695), (285, 4671), (405, 3287), (513, 2595), (519, 2565), (855, 1557), (865, 1539)]