72903915

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 153653760

約数和(自身を除く): 80749845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 103, 105, 107, 135, 147, 189, 245, 309, 315, 321, 441, 515, 535, 721, 735, 749, 927, 945, 963, 1323, 1545, 1605, 2163, 2205, 2247, 2781, 2889, 3605, 3745, 4635, 4815, 5047, 5243, 6489, 6615, 6741, 10815, 11021, 11235, 13905, 14445, 15141, 15729, 19467, 20223, 25235, 26215, 32445, 33063, 33705, 45423, 47187, 55105, 75705, 77147, 78645, 97335, 99189, 101115, 136269, 141561, 165315, 227115, 231441, 235935, 297567, 385735, 495945, 540029, 681345, 694323, 707805, 1157205, 1487835, 1620087, 2082969, 2700145, 3471615, 4860261, 8100435, 10414845, 14580783, 24301305, 72903915]

約数ペア:

[(1, 72903915), (3, 24301305), (5, 14580783), (7, 10414845), (9, 8100435), (15, 4860261), (21, 3471615), (27, 2700145), (35, 2082969), (45, 1620087), (49, 1487835), (63, 1157205), (103, 707805), (105, 694323), (107, 681345), (135, 540029), (147, 495945), (189, 385735), (245, 297567), (309, 235935), (315, 231441), (321, 227115), (441, 165315), (515, 141561), (535, 136269), (721, 101115), (735, 99189), (749, 97335), (927, 78645), (945, 77147), (963, 75705), (1323, 55105), (1545, 47187), (1605, 45423), (2163, 33705), (2205, 33063), (2247, 32445), (2781, 26215), (2889, 25235), (3605, 20223), (3745, 19467), (4635, 15729), (4815, 15141), (5047, 14445), (5243, 13905), (6489, 11235), (6615, 11021), (6741, 10815)]