1901385

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 3594240

約数和(自身を除く): 1692855

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 47, 87, 93, 141, 145, 155, 235, 261, 279, 423, 435, 465, 705, 899, 1305, 1363, 1395, 1457, 2115, 2697, 4089, 4371, 4495, 6815, 7285, 8091, 12267, 13113, 13485, 20445, 21855, 40455, 42253, 61335, 65565, 126759, 211265, 380277, 633795, 1901385]

約数ペア:

[(1, 1901385), (3, 633795), (5, 380277), (9, 211265), (15, 126759), (29, 65565), (31, 61335), (45, 42253), (47, 40455), (87, 21855), (93, 20445), (141, 13485), (145, 13113), (155, 12267), (235, 8091), (261, 7285), (279, 6815), (423, 4495), (435, 4371), (465, 4089), (705, 2697), (899, 2115), (1305, 1457), (1363, 1395)]