289589625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19835

約数の個数: 48

約数和(自身を含む): 562218384

約数和(自身を除く): 272628759

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2925, 4875, 14625, 19801, 59403, 99005, 178209, 257413, 297015, 495025, 772239, 891045, 1287065, 1485075, 2316717, 2475125, 3861195, 4455225, 6435325, 7425375, 11583585, 19305975, 22276125, 32176625, 57917925, 96529875, 289589625]

約数ペア:

[(1, 289589625), (3, 96529875), (5, 57917925), (9, 32176625), (13, 22276125), (15, 19305975), (25, 11583585), (39, 7425375), (45, 6435325), (65, 4455225), (75, 3861195), (117, 2475125), (125, 2316717), (195, 1485075), (225, 1287065), (325, 891045), (375, 772239), (585, 495025), (975, 297015), (1125, 257413), (1625, 178209), (2925, 99005), (4875, 59403), (14625, 19801)]