663333993

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 1111219200

約数和(自身を除く): 447885207

約数列:

[1, 3, 7, 9, 21, 63, 139, 211, 359, 417, 633, 973, 1077, 1251, 1477, 1899, 2513, 2919, 3231, 4431, 7539, 8757, 13293, 22617, 29329, 49901, 75749, 87987, 149703, 205303, 227247, 263961, 349307, 449109, 530243, 615909, 681741, 1047921, 1590729, 1847727, 3143763, 4772187, 10529111, 31587333, 73703777, 94761999, 221111331, 663333993]

約数ペア:

[(1, 663333993), (3, 221111331), (7, 94761999), (9, 73703777), (21, 31587333), (63, 10529111), (139, 4772187), (211, 3143763), (359, 1847727), (417, 1590729), (633, 1047921), (973, 681741), (1077, 615909), (1251, 530243), (1477, 449109), (1899, 349307), (2513, 263961), (2919, 227247), (3231, 205303), (4431, 149703), (7539, 87987), (8757, 75749), (13293, 49901), (22617, 29329)]