31304325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 56482496

約数和(自身を除く): 25178171

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 195, 291, 325, 331, 485, 975, 993, 1261, 1455, 1655, 2425, 3783, 4303, 4965, 6305, 7275, 8275, 12909, 18915, 21515, 24825, 31525, 32107, 64545, 94575, 96321, 107575, 160535, 322725, 417391, 481605, 802675, 1252173, 2086955, 2408025, 6260865, 10434775, 31304325]

約数ペア:

[(1, 31304325), (3, 10434775), (5, 6260865), (13, 2408025), (15, 2086955), (25, 1252173), (39, 802675), (65, 481605), (75, 417391), (97, 322725), (195, 160535), (291, 107575), (325, 96321), (331, 94575), (485, 64545), (975, 32107), (993, 31525), (1261, 24825), (1455, 21515), (1655, 18915), (2425, 12909), (3783, 8275), (4303, 7275), (4965, 6305)]