320460885

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 573960816

約数和(自身を除く): 253499931

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 197, 333, 555, 591, 977, 985, 1665, 1773, 2931, 2955, 4885, 7289, 8793, 8865, 14655, 21867, 36149, 36445, 43965, 65601, 108447, 109335, 180745, 192469, 325341, 328005, 542235, 577407, 962345, 1626705, 1732221, 2887035, 7121353, 8661105, 21364059, 35606765, 64092177, 106820295, 320460885]

約数ペア:

[(1, 320460885), (3, 106820295), (5, 64092177), (9, 35606765), (15, 21364059), (37, 8661105), (45, 7121353), (111, 2887035), (185, 1732221), (197, 1626705), (333, 962345), (555, 577407), (591, 542235), (977, 328005), (985, 325341), (1665, 192469), (1773, 180745), (2931, 109335), (2955, 108447), (4885, 65601), (7289, 43965), (8793, 36445), (8865, 36149), (14655, 21867)]