28631625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 52450944

約数和(自身を除く): 23819319

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 605, 631, 825, 1375, 1815, 1893, 3025, 3155, 4125, 6941, 9075, 9465, 15125, 15775, 20823, 34705, 45375, 47325, 76351, 78875, 104115, 173525, 229053, 236625, 381755, 520575, 867625, 1145265, 1908775, 2602875, 5726325, 9543875, 28631625]

約数ペア:

[(1, 28631625), (3, 9543875), (5, 5726325), (11, 2602875), (15, 1908775), (25, 1145265), (33, 867625), (55, 520575), (75, 381755), (121, 236625), (125, 229053), (165, 173525), (275, 104115), (363, 78875), (375, 76351), (605, 47325), (631, 45375), (825, 34705), (1375, 20823), (1815, 15775), (1893, 15125), (3025, 9465), (3155, 9075), (4125, 6941)]