2783608425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{15601}}^1$

素因数の和:15691

約数の個数: 72

約数和(自身を含む): 5457642008

約数和(自身を除く): 2674033583

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 325, 549, 585, 793, 915, 975, 1525, 2379, 2745, 2925, 3965, 4575, 7137, 11895, 13725, 15601, 19825, 35685, 46803, 59475, 78005, 140409, 178425, 202813, 234015, 390025, 608439, 702045, 951661, 1014065, 1170075, 1825317, 2854983, 3042195, 3510225, 4758305, 5070325, 8564949, 9126585, 12371593, 14274915, 15210975, 23791525, 37114779, 42824745, 45632925, 61857965, 71374575, 111344337, 185573895, 214123725, 309289825, 556721685, 927869475, 2783608425]

約数ペア:

[(1, 2783608425), (3, 927869475), (5, 556721685), (9, 309289825), (13, 214123725), (15, 185573895), (25, 111344337), (39, 71374575), (45, 61857965), (61, 45632925), (65, 42824745), (75, 37114779), (117, 23791525), (183, 15210975), (195, 14274915), (225, 12371593), (305, 9126585), (325, 8564949), (549, 5070325), (585, 4758305), (793, 3510225), (915, 3042195), (975, 2854983), (1525, 1825317), (2379, 1170075), (2745, 1014065), (2925, 951661), (3965, 702045), (4575, 608439), (7137, 390025), (11895, 234015), (13725, 202813), (15601, 178425), (19825, 140409), (35685, 78005), (46803, 59475)]