209544075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 410286240

約数和(自身を除く): 200742165

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 117, 195, 213, 225, 325, 355, 585, 639, 923, 975, 1009, 1065, 1775, 2769, 2925, 3027, 3195, 4615, 5045, 5325, 8307, 9081, 13117, 13845, 15135, 15975, 23075, 25225, 39351, 41535, 45405, 65585, 69225, 71639, 75675, 118053, 196755, 207675, 214917, 227025, 327925, 358195, 590265, 644751, 931307, 983775, 1074585, 1790975, 2793921, 2951325, 3223755, 4656535, 5372925, 8381763, 13969605, 16118775, 23282675, 41908815, 69848025, 209544075]

約数ペア:

[(1, 209544075), (3, 69848025), (5, 41908815), (9, 23282675), (13, 16118775), (15, 13969605), (25, 8381763), (39, 5372925), (45, 4656535), (65, 3223755), (71, 2951325), (75, 2793921), (117, 1790975), (195, 1074585), (213, 983775), (225, 931307), (325, 644751), (355, 590265), (585, 358195), (639, 327925), (923, 227025), (975, 214917), (1009, 207675), (1065, 196755), (1775, 118053), (2769, 75675), (2925, 71639), (3027, 69225), (3195, 65585), (4615, 45405), (5045, 41535), (5325, 39351), (8307, 25225), (9081, 23075), (13117, 15975), (13845, 15135)]