27147915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 22385205

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 261, 293, 355, 435, 639, 879, 1065, 1305, 1465, 2059, 2637, 3195, 4395, 6177, 8497, 10295, 13185, 18531, 20803, 25491, 30885, 42485, 62409, 76473, 92655, 104015, 127455, 187227, 312045, 382365, 603287, 936135, 1809861, 3016435, 5429583, 9049305, 27147915]

約数ペア:

[(1, 27147915), (3, 9049305), (5, 5429583), (9, 3016435), (15, 1809861), (29, 936135), (45, 603287), (71, 382365), (87, 312045), (145, 187227), (213, 127455), (261, 104015), (293, 92655), (355, 76473), (435, 62409), (639, 42485), (879, 30885), (1065, 25491), (1305, 20803), (1465, 18531), (2059, 13185), (2637, 10295), (3195, 8497), (4395, 6177)]