17999730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28571}}^1$

素因数の和:28591

約数の個数: 48

約数和(自身を含む): 53486784

約数和(自身を除く): 35487054

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28571, 57142, 85713, 142855, 171426, 199997, 257139, 285710, 399994, 428565, 514278, 599991, 857130, 999985, 1199982, 1285695, 1799973, 1999970, 2571390, 2999955, 3599946, 5999910, 8999865, 17999730]

約数ペア:

[(1, 17999730), (2, 8999865), (3, 5999910), (5, 3599946), (6, 2999955), (7, 2571390), (9, 1999970), (10, 1799973), (14, 1285695), (15, 1199982), (18, 999985), (21, 857130), (30, 599991), (35, 514278), (42, 428565), (45, 399994), (63, 285710), (70, 257139), (90, 199997), (105, 171426), (126, 142855), (210, 85713), (315, 57142), (630, 28571)]