16490187

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 29315520

約数和(自身を除く): 12825333

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 89, 119, 153, 173, 267, 357, 519, 623, 801, 1071, 1211, 1513, 1557, 1869, 2941, 3633, 4539, 5607, 8823, 10591, 10899, 13617, 15397, 20587, 26469, 31773, 46191, 61761, 95319, 107779, 138573, 185283, 261749, 323337, 785247, 970011, 1832243, 2355741, 5496729, 16490187]

約数ペア:

[(1, 16490187), (3, 5496729), (7, 2355741), (9, 1832243), (17, 970011), (21, 785247), (51, 323337), (63, 261749), (89, 185283), (119, 138573), (153, 107779), (173, 95319), (267, 61761), (357, 46191), (519, 31773), (623, 26469), (801, 20587), (1071, 15397), (1211, 13617), (1513, 10899), (1557, 10591), (1869, 8823), (2941, 5607), (3633, 4539)]