201513975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 372799056

約数和(自身を除く): 171285081

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 71, 75, 123, 195, 205, 213, 325, 355, 533, 615, 923, 975, 1025, 1065, 1599, 1775, 2665, 2769, 2911, 3075, 4615, 5041, 5325, 7995, 8733, 13325, 13845, 14555, 15123, 23075, 25205, 37843, 39975, 43665, 65533, 69225, 72775, 75615, 113529, 126025, 189215, 196599, 206681, 218325, 327665, 378075, 567645, 620043, 946075, 982995, 1033405, 1638325, 2686853, 2838225, 3100215, 4914975, 5167025, 8060559, 13434265, 15501075, 40302795, 67171325, 201513975]

約数ペア:

[(1, 201513975), (3, 67171325), (5, 40302795), (13, 15501075), (15, 13434265), (25, 8060559), (39, 5167025), (41, 4914975), (65, 3100215), (71, 2838225), (75, 2686853), (123, 1638325), (195, 1033405), (205, 982995), (213, 946075), (325, 620043), (355, 567645), (533, 378075), (615, 327665), (923, 218325), (975, 206681), (1025, 196599), (1065, 189215), (1599, 126025), (1775, 113529), (2665, 75615), (2769, 72775), (2911, 69225), (3075, 65533), (4615, 43665), (5041, 39975), (5325, 37843), (7995, 25205), (8733, 23075), (13325, 15123), (13845, 14555)]