71967675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 129102848

約数和(自身を除く): 57135173

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 223, 325, 331, 669, 975, 993, 1115, 1655, 2899, 3345, 4303, 4965, 5575, 8275, 8697, 12909, 14495, 16725, 21515, 24825, 43485, 64545, 72475, 73813, 107575, 217425, 221439, 322725, 369065, 959569, 1107195, 1845325, 2878707, 4797845, 5535975, 14393535, 23989225, 71967675]

約数ペア:

[(1, 71967675), (3, 23989225), (5, 14393535), (13, 5535975), (15, 4797845), (25, 2878707), (39, 1845325), (65, 1107195), (75, 959569), (195, 369065), (223, 322725), (325, 221439), (331, 217425), (669, 107575), (975, 73813), (993, 72475), (1115, 64545), (1655, 43485), (2899, 24825), (3345, 21515), (4303, 16725), (4965, 14495), (5575, 12909), (8275, 8697)]