9918783

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 17409600

約数和(自身を除く): 7490817

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 89, 183, 203, 261, 267, 427, 549, 609, 623, 801, 1281, 1769, 1827, 1869, 2581, 3843, 5307, 5429, 5607, 7743, 12383, 15921, 16287, 18067, 23229, 37149, 38003, 48861, 54201, 111447, 114009, 157441, 162603, 342027, 472323, 1102087, 1416969, 3306261, 9918783]

約数ペア:

[(1, 9918783), (3, 3306261), (7, 1416969), (9, 1102087), (21, 472323), (29, 342027), (61, 162603), (63, 157441), (87, 114009), (89, 111447), (183, 54201), (203, 48861), (261, 38003), (267, 37149), (427, 23229), (549, 18067), (609, 16287), (623, 15921), (801, 12383), (1281, 7743), (1769, 5607), (1827, 5429), (1869, 5307), (2581, 3843)]