40380753

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 65598336

約数和(自身を除く): 25217583

約数列:

[1, 3, 7, 21, 49, 53, 71, 73, 147, 159, 213, 219, 371, 497, 511, 1113, 1491, 1533, 2597, 3479, 3577, 3763, 3869, 5183, 7791, 10437, 10731, 11289, 11607, 15549, 26341, 27083, 36281, 79023, 81249, 108843, 184387, 189581, 253967, 274699, 553161, 568743, 761901, 824097, 1922893, 5768679, 13460251, 40380753]

約数ペア:

[(1, 40380753), (3, 13460251), (7, 5768679), (21, 1922893), (49, 824097), (53, 761901), (71, 568743), (73, 553161), (147, 274699), (159, 253967), (213, 189581), (219, 184387), (371, 108843), (497, 81249), (511, 79023), (1113, 36281), (1491, 27083), (1533, 26341), (2597, 15549), (3479, 11607), (3577, 11289), (3763, 10731), (3869, 10437), (5183, 7791)]