919495875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 1581465600

約数和(自身を除く): 661969725

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 127, 129, 215, 375, 381, 449, 635, 645, 1075, 1347, 1905, 2245, 3175, 3225, 5375, 5461, 6735, 9525, 11225, 15875, 16125, 16383, 19307, 27305, 33675, 47625, 56125, 57023, 57921, 81915, 96535, 136525, 168375, 171069, 285115, 289605, 409575, 482675, 682625, 855345, 1425575, 1448025, 2047875, 2413375, 2451989, 4276725, 7127875, 7240125, 7355967, 12259945, 21383625, 36779835, 61299725, 183899175, 306498625, 919495875]

約数ペア:

[(1, 919495875), (3, 306498625), (5, 183899175), (15, 61299725), (25, 36779835), (43, 21383625), (75, 12259945), (125, 7355967), (127, 7240125), (129, 7127875), (215, 4276725), (375, 2451989), (381, 2413375), (449, 2047875), (635, 1448025), (645, 1425575), (1075, 855345), (1347, 682625), (1905, 482675), (2245, 409575), (3175, 289605), (3225, 285115), (5375, 171069), (5461, 168375), (6735, 136525), (9525, 96535), (11225, 81915), (15875, 57921), (16125, 57023), (16383, 56125), (19307, 47625), (27305, 33675)]