128840175

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{2113}}^1$

素因数の和:2400

約数の個数: 36

約数和(自身を含む): 231728224

約数和(自身を除く): 102888049

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 813, 1355, 2113, 2439, 4065, 6339, 6775, 10565, 12195, 19017, 20325, 31695, 52825, 60975, 95085, 158475, 475425, 572623, 1717869, 2863115, 5153607, 8589345, 14315575, 25768035, 42946725, 128840175]

約数ペア:

[(1, 128840175), (3, 42946725), (5, 25768035), (9, 14315575), (15, 8589345), (25, 5153607), (45, 2863115), (75, 1717869), (225, 572623), (271, 475425), (813, 158475), (1355, 95085), (2113, 60975), (2439, 52825), (4065, 31695), (6339, 20325), (6775, 19017), (10565, 12195)]