42987975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 75828480

約数和(自身を除く): 32840505

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 97, 285, 291, 311, 475, 485, 933, 1425, 1455, 1555, 1843, 2425, 4665, 5529, 5909, 7275, 7775, 9215, 17727, 23325, 27645, 29545, 30167, 46075, 88635, 90501, 138225, 147725, 150835, 443175, 452505, 573173, 754175, 1719519, 2262525, 2865865, 8597595, 14329325, 42987975]

約数ペア:

[(1, 42987975), (3, 14329325), (5, 8597595), (15, 2865865), (19, 2262525), (25, 1719519), (57, 754175), (75, 573173), (95, 452505), (97, 443175), (285, 150835), (291, 147725), (311, 138225), (475, 90501), (485, 88635), (933, 46075), (1425, 30167), (1455, 29545), (1555, 27645), (1843, 23325), (2425, 17727), (4665, 9215), (5529, 7775), (5909, 7275)]