31672575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 63138816

約数和(自身を除く): 31466241

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 165, 191, 201, 225, 275, 335, 495, 573, 603, 737, 825, 955, 1005, 1675, 1719, 2101, 2211, 2475, 2865, 3015, 3685, 4775, 5025, 6303, 6633, 8595, 10505, 11055, 12797, 14325, 15075, 18425, 18909, 31515, 33165, 38391, 42975, 52525, 55275, 63985, 94545, 115173, 140767, 157575, 165825, 191955, 319925, 422301, 472725, 575865, 703835, 959775, 1266903, 2111505, 2879325, 3519175, 6334515, 10557525, 31672575]

約数ペア:

[(1, 31672575), (3, 10557525), (5, 6334515), (9, 3519175), (11, 2879325), (15, 2111505), (25, 1266903), (33, 959775), (45, 703835), (55, 575865), (67, 472725), (75, 422301), (99, 319925), (165, 191955), (191, 165825), (201, 157575), (225, 140767), (275, 115173), (335, 94545), (495, 63985), (573, 55275), (603, 52525), (737, 42975), (825, 38391), (955, 33165), (1005, 31515), (1675, 18909), (1719, 18425), (2101, 15075), (2211, 14325), (2475, 12797), (2865, 11055), (3015, 10505), (3685, 8595), (4775, 6633), (5025, 6303)]