16903965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3769}}^1$

素因数の和:3813

約数の個数: 32

約数和(自身を含む): 30401280

約数和(自身を除く): 13497315

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 3769, 4485, 11307, 18845, 48997, 56535, 86687, 146991, 244985, 260061, 433435, 734955, 1126931, 1300305, 3380793, 5634655, 16903965]

約数ペア:

[(1, 16903965), (3, 5634655), (5, 3380793), (13, 1300305), (15, 1126931), (23, 734955), (39, 433435), (65, 260061), (69, 244985), (115, 146991), (195, 86687), (299, 56535), (345, 48997), (897, 18845), (1495, 11307), (3769, 4485)]