221185575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{75619}}^1$

素因数の和:75648

約数の個数: 36

約数和(自身を含む): 426648040

約数和(自身を除く): 205462465

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 75619, 226857, 378095, 680571, 983047, 1134285, 1890475, 2949141, 3402855, 4915235, 5671425, 8847423, 14745705, 17014275, 24576175, 44237115, 73728525, 221185575]

約数ペア:

[(1, 221185575), (3, 73728525), (5, 44237115), (9, 24576175), (13, 17014275), (15, 14745705), (25, 8847423), (39, 5671425), (45, 4915235), (65, 3402855), (75, 2949141), (117, 1890475), (195, 1134285), (225, 983047), (325, 680571), (585, 378095), (975, 226857), (2925, 75619)]