216358125

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 391374720

約数和(自身を除く): 175016595

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 125, 145, 173, 345, 375, 435, 519, 575, 625, 667, 725, 865, 1725, 1875, 2001, 2175, 2595, 2875, 3335, 3625, 3979, 4325, 5017, 8625, 10005, 10875, 11937, 12975, 14375, 15051, 16675, 18125, 19895, 21625, 25085, 43125, 50025, 54375, 59685, 64875, 75255, 83375, 99475, 108125, 115391, 125425, 250125, 298425, 324375, 346173, 376275, 416875, 497375, 576955, 627125, 1250625, 1492125, 1730865, 1881375, 2486875, 2884775, 3135625, 7460625, 8654325, 9406875, 14423875, 43271625, 72119375, 216358125]

約数ペア:

[(1, 216358125), (3, 72119375), (5, 43271625), (15, 14423875), (23, 9406875), (25, 8654325), (29, 7460625), (69, 3135625), (75, 2884775), (87, 2486875), (115, 1881375), (125, 1730865), (145, 1492125), (173, 1250625), (345, 627125), (375, 576955), (435, 497375), (519, 416875), (575, 376275), (625, 346173), (667, 324375), (725, 298425), (865, 250125), (1725, 125425), (1875, 115391), (2001, 108125), (2175, 99475), (2595, 83375), (2875, 75255), (3335, 64875), (3625, 59685), (3979, 54375), (4325, 50025), (5017, 43125), (8625, 25085), (10005, 21625), (10875, 19895), (11937, 18125), (12975, 16675), (14375, 15051)]