171694890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{211969}}^1$

素因数の和:211988

約数の個数: 40

約数和(自身を含む): 461670660

約数和(自身を除く): 289975770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 211969, 423938, 635907, 1059845, 1271814, 1907721, 2119690, 3179535, 3815442, 5723163, 6359070, 9538605, 11446326, 17169489, 19077210, 28615815, 34338978, 57231630, 85847445, 171694890]

約数ペア:

[(1, 171694890), (2, 85847445), (3, 57231630), (5, 34338978), (6, 28615815), (9, 19077210), (10, 17169489), (15, 11446326), (18, 9538605), (27, 6359070), (30, 5723163), (45, 3815442), (54, 3179535), (81, 2119690), (90, 1907721), (135, 1271814), (162, 1059845), (270, 635907), (405, 423938), (810, 211969)]