2013525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 3918400

約数和(自身を除く): 1904875

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 157, 171, 225, 285, 471, 475, 513, 675, 785, 855, 1413, 1425, 2355, 2565, 2983, 3925, 4239, 4275, 7065, 8949, 11775, 12825, 14915, 21195, 26847, 35325, 44745, 74575, 80541, 105975, 134235, 223725, 402705, 671175, 2013525]

約数ペア:

[(1, 2013525), (3, 671175), (5, 402705), (9, 223725), (15, 134235), (19, 105975), (25, 80541), (27, 74575), (45, 44745), (57, 35325), (75, 26847), (95, 21195), (135, 14915), (157, 12825), (171, 11775), (225, 8949), (285, 7065), (471, 4275), (475, 4239), (513, 3925), (675, 2983), (785, 2565), (855, 2355), (1413, 1425)]