660765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 1313280

約数和(自身を除く): 652515

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 49, 87, 93, 105, 145, 147, 155, 203, 217, 245, 435, 465, 609, 651, 735, 899, 1015, 1085, 1421, 1519, 2697, 3045, 3255, 4263, 4495, 4557, 6293, 7105, 7595, 13485, 18879, 21315, 22785, 31465, 44051, 94395, 132153, 220255, 660765]

約数ペア:

[(1, 660765), (3, 220255), (5, 132153), (7, 94395), (15, 44051), (21, 31465), (29, 22785), (31, 21315), (35, 18879), (49, 13485), (87, 7595), (93, 7105), (105, 6293), (145, 4557), (147, 4495), (155, 4263), (203, 3255), (217, 3045), (245, 2697), (435, 1519), (465, 1421), (609, 1085), (651, 1015), (735, 899)]