1555995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 3036960

約数和(自身を除く): 1480965

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 73, 87, 105, 145, 147, 203, 219, 245, 365, 435, 511, 609, 735, 1015, 1095, 1421, 1533, 2117, 2555, 3045, 3577, 4263, 6351, 7105, 7665, 10585, 10731, 14819, 17885, 21315, 31755, 44457, 53655, 74095, 103733, 222285, 311199, 518665, 1555995]

約数ペア:

[(1, 1555995), (3, 518665), (5, 311199), (7, 222285), (15, 103733), (21, 74095), (29, 53655), (35, 44457), (49, 31755), (73, 21315), (87, 17885), (105, 14819), (145, 10731), (147, 10585), (203, 7665), (219, 7105), (245, 6351), (365, 4263), (435, 3577), (511, 3045), (609, 2555), (735, 2117), (1015, 1533), (1095, 1421)]