81883725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 170197440

約数和(自身を除く): 88313715

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 825, 847, 1155, 1289, 1815, 1925, 2541, 3025, 3867, 4235, 5775, 6445, 9023, 9075, 12705, 14179, 19335, 21175, 27069, 32225, 42537, 45115, 63525, 70895, 96675, 99253, 135345, 155969, 212685, 225575, 297759, 354475, 467907, 496265, 676725, 779845, 1063425, 1091783, 1488795, 2339535, 2481325, 3275349, 3899225, 5458915, 7443975, 11697675, 16376745, 27294575, 81883725]

約数ペア:

[(1, 81883725), (3, 27294575), (5, 16376745), (7, 11697675), (11, 7443975), (15, 5458915), (21, 3899225), (25, 3275349), (33, 2481325), (35, 2339535), (55, 1488795), (75, 1091783), (77, 1063425), (105, 779845), (121, 676725), (165, 496265), (175, 467907), (231, 354475), (275, 297759), (363, 225575), (385, 212685), (525, 155969), (605, 135345), (825, 99253), (847, 96675), (1155, 70895), (1289, 63525), (1815, 45115), (1925, 42537), (2541, 32225), (3025, 27069), (3867, 21175), (4235, 19335), (5775, 14179), (6445, 12705), (9023, 9075)]