198906975

素因数分解:

$3^3\times 5^2\times {\mathrm{467}}^1\times {\mathrm{631}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 366762240

約数和(自身を除く): 167855265

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 467, 631, 675, 1401, 1893, 2335, 3155, 4203, 5679, 7005, 9465, 11675, 12609, 15775, 17037, 21015, 28395, 35025, 47325, 63045, 85185, 105075, 141975, 294677, 315225, 425925, 884031, 1473385, 2652093, 4420155, 7366925, 7956279, 13260465, 22100775, 39781395, 66302325, 198906975]

約数ペア:

[(1, 198906975), (3, 66302325), (5, 39781395), (9, 22100775), (15, 13260465), (25, 7956279), (27, 7366925), (45, 4420155), (75, 2652093), (135, 1473385), (225, 884031), (467, 425925), (631, 315225), (675, 294677), (1401, 141975), (1893, 105075), (2335, 85185), (3155, 63045), (4203, 47325), (5679, 35025), (7005, 28395), (9465, 21015), (11675, 17037), (12609, 15775)]