1220248395

素因数分解:

$3^4\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{1861}}^1$

素因数の和:3497

約数の個数: 40

約数和(自身を含む): 2189935440

約数和(自身を除く): 969687045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1619, 1861, 4857, 5583, 8095, 9305, 14571, 16749, 24285, 27915, 43713, 50247, 72855, 83745, 131139, 150741, 218565, 251235, 655695, 753705, 3012959, 9038877, 15064795, 27116631, 45194385, 81349893, 135583155, 244049679, 406749465, 1220248395]

約数ペア:

[(1, 1220248395), (3, 406749465), (5, 244049679), (9, 135583155), (15, 81349893), (27, 45194385), (45, 27116631), (81, 15064795), (135, 9038877), (405, 3012959), (1619, 753705), (1861, 655695), (4857, 251235), (5583, 218565), (8095, 150741), (9305, 131139), (14571, 83745), (16749, 72855), (24285, 50247), (27915, 43713)]