4028895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 7705152

約数和(自身を除く): 3676257

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 97, 117, 195, 213, 291, 355, 485, 585, 639, 873, 923, 1065, 1261, 1455, 2769, 3195, 3783, 4365, 4615, 6305, 6887, 8307, 11349, 13845, 18915, 20661, 34435, 41535, 56745, 61983, 89531, 103305, 268593, 309915, 447655, 805779, 1342965, 4028895]

約数ペア:

[(1, 4028895), (3, 1342965), (5, 805779), (9, 447655), (13, 309915), (15, 268593), (39, 103305), (45, 89531), (65, 61983), (71, 56745), (97, 41535), (117, 34435), (195, 20661), (213, 18915), (291, 13845), (355, 11349), (485, 8307), (585, 6887), (639, 6305), (873, 4615), (923, 4365), (1065, 3783), (1261, 3195), (1455, 2769)]