84909975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 146803104

約数和(自身を除く): 61893129

約数列:

[1, 3, 5, 15, 25, 41, 53, 75, 123, 159, 205, 265, 521, 615, 795, 1025, 1325, 1563, 2173, 2605, 3075, 3975, 6519, 7815, 10865, 13025, 21361, 27613, 32595, 39075, 54325, 64083, 82839, 106805, 138065, 162975, 320415, 414195, 534025, 690325, 1132133, 1602075, 2070975, 3396399, 5660665, 16981995, 28303325, 84909975]

約数ペア:

[(1, 84909975), (3, 28303325), (5, 16981995), (15, 5660665), (25, 3396399), (41, 2070975), (53, 1602075), (75, 1132133), (123, 690325), (159, 534025), (205, 414195), (265, 320415), (521, 162975), (615, 138065), (795, 106805), (1025, 82839), (1325, 64083), (1563, 54325), (2173, 39075), (2605, 32595), (3075, 27613), (3975, 21361), (6519, 13025), (7815, 10865)]