121220145

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10321}}^1$

素因数の和:10367

約数の個数: 40

約数和(自身を含む): 224813160

約数和(自身を除く): 103593015

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 10321, 11745, 30963, 51605, 92889, 154815, 278667, 299309, 464445, 836001, 897927, 1393335, 1496545, 2693781, 4180005, 4489635, 8081343, 13468905, 24244029, 40406715, 121220145]

約数ペア:

[(1, 121220145), (3, 40406715), (5, 24244029), (9, 13468905), (15, 8081343), (27, 4489635), (29, 4180005), (45, 2693781), (81, 1496545), (87, 1393335), (135, 897927), (145, 836001), (261, 464445), (405, 299309), (435, 278667), (783, 154815), (1305, 92889), (2349, 51605), (3915, 30963), (10321, 11745)]