1285065

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 2439360

約数和(自身を除く): 1154295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 167, 171, 285, 405, 501, 513, 835, 855, 1503, 1539, 2505, 2565, 3173, 4509, 7515, 7695, 9519, 13527, 15865, 22545, 28557, 47595, 67635, 85671, 142785, 257013, 428355, 1285065]

約数ペア:

[(1, 1285065), (3, 428355), (5, 257013), (9, 142785), (15, 85671), (19, 67635), (27, 47595), (45, 28557), (57, 22545), (81, 15865), (95, 13527), (135, 9519), (167, 7695), (171, 7515), (285, 4509), (405, 3173), (501, 2565), (513, 2505), (835, 1539), (855, 1503)]