8981775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 18570240

約数和(自身を除く): 9588465

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 191, 209, 225, 275, 285, 475, 495, 573, 627, 825, 855, 955, 1045, 1425, 1719, 1881, 2101, 2475, 2865, 3135, 3629, 4275, 4775, 5225, 6303, 8595, 9405, 10505, 10887, 14325, 15675, 18145, 18909, 31515, 32661, 39919, 42975, 47025, 52525, 54435, 90725, 94545, 119757, 157575, 163305, 199595, 272175, 359271, 472725, 598785, 816525, 997975, 1796355, 2993925, 8981775]

約数ペア:

[(1, 8981775), (3, 2993925), (5, 1796355), (9, 997975), (11, 816525), (15, 598785), (19, 472725), (25, 359271), (33, 272175), (45, 199595), (55, 163305), (57, 157575), (75, 119757), (95, 94545), (99, 90725), (165, 54435), (171, 52525), (191, 47025), (209, 42975), (225, 39919), (275, 32661), (285, 31515), (475, 18909), (495, 18145), (573, 15675), (627, 14325), (825, 10887), (855, 10505), (955, 9405), (1045, 8595), (1425, 6303), (1719, 5225), (1881, 4775), (2101, 4275), (2475, 3629), (2865, 3135)]