2128425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 3958080

約数和(自身を除く): 1829655

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 59, 65, 75, 111, 177, 185, 195, 295, 325, 481, 555, 767, 885, 925, 975, 1443, 1475, 2183, 2301, 2405, 2775, 3835, 4425, 6549, 7215, 10915, 11505, 12025, 19175, 28379, 32745, 36075, 54575, 57525, 85137, 141895, 163725, 425685, 709475, 2128425]

約数ペア:

[(1, 2128425), (3, 709475), (5, 425685), (13, 163725), (15, 141895), (25, 85137), (37, 57525), (39, 54575), (59, 36075), (65, 32745), (75, 28379), (111, 19175), (177, 12025), (185, 11505), (195, 10915), (295, 7215), (325, 6549), (481, 4425), (555, 3835), (767, 2775), (885, 2405), (925, 2301), (975, 2183), (1443, 1475)]