764883

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 1393920

約数和(自身を除く): 629037

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 71, 81, 133, 171, 189, 213, 399, 497, 513, 567, 639, 1197, 1349, 1491, 1539, 1917, 3591, 4047, 4473, 5751, 9443, 10773, 12141, 13419, 28329, 36423, 40257, 84987, 109269, 254961, 764883]

約数ペア:

[(1, 764883), (3, 254961), (7, 109269), (9, 84987), (19, 40257), (21, 36423), (27, 28329), (57, 13419), (63, 12141), (71, 10773), (81, 9443), (133, 5751), (171, 4473), (189, 4047), (213, 3591), (399, 1917), (497, 1539), (513, 1491), (567, 1349), (639, 1197)]