216902235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 408706560

約数和(自身を除く): 191804325

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 53, 55, 85, 159, 165, 187, 255, 265, 561, 583, 795, 901, 935, 1459, 1749, 2703, 2805, 2915, 4377, 4505, 7295, 8745, 9911, 13515, 16049, 21885, 24803, 29733, 48147, 49555, 74409, 77327, 80245, 124015, 148665, 231981, 240735, 272833, 372045, 386635, 818499, 850597, 1159905, 1314559, 1364165, 2551791, 3943677, 4092495, 4252985, 6572795, 12758955, 14460149, 19718385, 43380447, 72300745, 216902235]

約数ペア:

[(1, 216902235), (3, 72300745), (5, 43380447), (11, 19718385), (15, 14460149), (17, 12758955), (33, 6572795), (51, 4252985), (53, 4092495), (55, 3943677), (85, 2551791), (159, 1364165), (165, 1314559), (187, 1159905), (255, 850597), (265, 818499), (561, 386635), (583, 372045), (795, 272833), (901, 240735), (935, 231981), (1459, 148665), (1749, 124015), (2703, 80245), (2805, 77327), (2915, 74409), (4377, 49555), (4505, 48147), (7295, 29733), (8745, 24803), (9911, 21885), (13515, 16049)]