81809325

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9323}}^1$

素因数の和:9355

約数の個数: 48

約数和(自身を含む): 161864640

約数和(自身を除く): 80055315

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 8775, 9323, 27969, 46615, 83907, 121199, 139845, 233075, 251721, 363597, 419535, 605995, 699225, 1090791, 1258605, 1817985, 2097675, 3029975, 3272373, 5453955, 6293025, 9089925, 16361865, 27269775, 81809325]

約数ペア:

[(1, 81809325), (3, 27269775), (5, 16361865), (9, 9089925), (13, 6293025), (15, 5453955), (25, 3272373), (27, 3029975), (39, 2097675), (45, 1817985), (65, 1258605), (75, 1090791), (117, 699225), (135, 605995), (195, 419535), (225, 363597), (325, 251721), (351, 233075), (585, 139845), (675, 121199), (975, 83907), (1755, 46615), (2925, 27969), (8775, 9323)]