2758725

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 5227840

約数和(自身を除く): 2469115

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 67, 75, 135, 183, 201, 225, 305, 335, 549, 603, 675, 915, 1005, 1525, 1647, 1675, 1809, 2745, 3015, 4087, 4575, 5025, 8235, 9045, 12261, 13725, 15075, 20435, 36783, 41175, 45225, 61305, 102175, 110349, 183915, 306525, 551745, 919575, 2758725]

約数ペア:

[(1, 2758725), (3, 919575), (5, 551745), (9, 306525), (15, 183915), (25, 110349), (27, 102175), (45, 61305), (61, 45225), (67, 41175), (75, 36783), (135, 20435), (183, 15075), (201, 13725), (225, 12261), (305, 9045), (335, 8235), (549, 5025), (603, 4575), (675, 4087), (915, 3015), (1005, 2745), (1525, 1809), (1647, 1675)]