30513951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 19805409

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 117, 141, 179, 279, 403, 423, 537, 611, 1209, 1457, 1611, 1833, 2327, 3627, 4371, 5499, 5549, 6981, 8413, 13113, 16647, 18941, 20943, 25239, 49941, 56823, 72137, 75717, 109369, 170469, 216411, 260803, 328107, 649233, 782409, 984321, 2347227, 3390439, 10171317, 30513951]

約数ペア:

[(1, 30513951), (3, 10171317), (9, 3390439), (13, 2347227), (31, 984321), (39, 782409), (47, 649233), (93, 328107), (117, 260803), (141, 216411), (179, 170469), (279, 109369), (403, 75717), (423, 72137), (537, 56823), (611, 49941), (1209, 25239), (1457, 20943), (1611, 18941), (1833, 16647), (2327, 13113), (3627, 8413), (4371, 6981), (5499, 5549)]