20180325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 37086912

約数和(自身を除く): 16906587

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 165, 183, 275, 305, 401, 671, 825, 915, 1203, 1525, 2005, 2013, 3355, 4411, 4575, 6015, 10025, 10065, 13233, 16775, 22055, 24461, 30075, 50325, 66165, 73383, 110275, 122305, 269071, 330825, 366915, 611525, 807213, 1345355, 1834575, 4036065, 6726775, 20180325]

約数ペア:

[(1, 20180325), (3, 6726775), (5, 4036065), (11, 1834575), (15, 1345355), (25, 807213), (33, 611525), (55, 366915), (61, 330825), (75, 269071), (165, 122305), (183, 110275), (275, 73383), (305, 66165), (401, 50325), (671, 30075), (825, 24461), (915, 22055), (1203, 16775), (1525, 13233), (2005, 10065), (2013, 10025), (3355, 6015), (4411, 4575)]