420525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{89}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 892800

約数和(自身を除く): 472275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 89, 105, 135, 175, 189, 225, 267, 315, 445, 525, 623, 675, 801, 945, 1335, 1575, 1869, 2225, 2403, 3115, 4005, 4725, 5607, 6675, 9345, 12015, 15575, 16821, 20025, 28035, 46725, 60075, 84105, 140175, 420525]

約数ペア:

[(1, 420525), (3, 140175), (5, 84105), (7, 60075), (9, 46725), (15, 28035), (21, 20025), (25, 16821), (27, 15575), (35, 12015), (45, 9345), (63, 6675), (75, 5607), (89, 4725), (105, 4005), (135, 3115), (175, 2403), (189, 2225), (225, 1869), (267, 1575), (315, 1335), (445, 945), (525, 801), (623, 675)]