1915998003

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{20707}}^1$

素因数の和:20888

約数の個数: 32

約数和(自身を含む): 2981952000

約数和(自身を除く): 1065953997

約数列:

[1, 3, 9, 23, 27, 69, 149, 207, 447, 621, 1341, 3427, 4023, 10281, 20707, 30843, 62121, 92529, 186363, 476261, 559089, 1428783, 3085343, 4286349, 9256029, 12859047, 27768087, 70962889, 83304261, 212888667, 638666001, 1915998003]

約数ペア:

[(1, 1915998003), (3, 638666001), (9, 212888667), (23, 83304261), (27, 70962889), (69, 27768087), (149, 12859047), (207, 9256029), (447, 4286349), (621, 3085343), (1341, 1428783), (3427, 559089), (4023, 476261), (10281, 186363), (20707, 92529), (30843, 62121)]