258430215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{3967}}^1$

素因数の和:4119

約数の個数: 32

約数和(自身を含む): 427401216

約数和(自身を除く): 168971001

約数列:

[1, 3, 5, 15, 43, 101, 129, 215, 303, 505, 645, 1515, 3967, 4343, 11901, 13029, 19835, 21715, 59505, 65145, 170581, 400667, 511743, 852905, 1202001, 2003335, 2558715, 6010005, 17228681, 51686043, 86143405, 258430215]

約数ペア:

[(1, 258430215), (3, 86143405), (5, 51686043), (15, 17228681), (43, 6010005), (101, 2558715), (129, 2003335), (215, 1202001), (303, 852905), (505, 511743), (645, 400667), (1515, 170581), (3967, 65145), (4343, 59505), (11901, 21715), (13029, 19835)]