1988730192897

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3037}}^1\times {\mathrm{48799}}^1$

素因数の和:51923

約数の個数: 64

約数和(自身を含む): 3415781376000

約数和(自身を除く): 1427051183103

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 3037, 4473, 9111, 13419, 21259, 27333, 48799, 63777, 81999, 146397, 191331, 215627, 341593, 439191, 573993, 646881, 1024779, 1317573, 1509389, 1940643, 3074337, 3464729, 4528167, 5821929, 9223011, 10394187, 13584501, 24253103, 31182561, 40753503, 72759309, 93547683, 148202563, 218277927, 444607689, 654833781, 1037417941, 1333823067, 3112253823, 4001469201, 9336761469, 10522381973, 28010284407, 31567145919, 73656673811, 94701437757, 220970021433, 284104313271, 662910064299, 1988730192897]

約数ペア:

[(1, 1988730192897), (3, 662910064299), (7, 284104313271), (9, 220970021433), (21, 94701437757), (27, 73656673811), (63, 31567145919), (71, 28010284407), (189, 10522381973), (213, 9336761469), (497, 4001469201), (639, 3112253823), (1491, 1333823067), (1917, 1037417941), (3037, 654833781), (4473, 444607689), (9111, 218277927), (13419, 148202563), (21259, 93547683), (27333, 72759309), (48799, 40753503), (63777, 31182561), (81999, 24253103), (146397, 13584501), (191331, 10394187), (215627, 9223011), (341593, 5821929), (439191, 4528167), (573993, 3464729), (646881, 3074337), (1024779, 1940643), (1317573, 1509389)]