13720005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 26208000

約数和(自身を除く): 12487995

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 499, 585, 611, 705, 1497, 1833, 2115, 2495, 3055, 4491, 5499, 6487, 7485, 9165, 19461, 22455, 23453, 27495, 32435, 58383, 70359, 97305, 117265, 211077, 291915, 304889, 351795, 914667, 1055385, 1524445, 2744001, 4573335, 13720005]

約数ペア:

[(1, 13720005), (3, 4573335), (5, 2744001), (9, 1524445), (13, 1055385), (15, 914667), (39, 351795), (45, 304889), (47, 291915), (65, 211077), (117, 117265), (141, 97305), (195, 70359), (235, 58383), (423, 32435), (499, 27495), (585, 23453), (611, 22455), (705, 19461), (1497, 9165), (1833, 7485), (2115, 6487), (2495, 5499), (3055, 4491)]