1900795005

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109147}}^1$

素因数の和:109207

約数の個数: 40

約数和(自身を含む): 3486623712

約数和(自身を除く): 1585828707

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 109147, 327441, 545735, 982323, 1637205, 2946969, 4693321, 4911615, 8840907, 14079963, 14734845, 23466605, 42239889, 44204535, 70399815, 126719667, 211199445, 380159001, 633598335, 1900795005]

約数ペア:

[(1, 1900795005), (3, 633598335), (5, 380159001), (9, 211199445), (15, 126719667), (27, 70399815), (43, 44204535), (45, 42239889), (81, 23466605), (129, 14734845), (135, 14079963), (215, 8840907), (387, 4911615), (405, 4693321), (645, 2946969), (1161, 1637205), (1935, 982323), (3483, 545735), (5805, 327441), (17415, 109147)]