198954795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53699}}^1$

素因数の和:53739

約数の個数: 32

約数和(自身を含む): 360864000

約数和(自身を除く): 161909205

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 53699, 161097, 268495, 698087, 805485, 1020281, 2094261, 3060843, 3490435, 5101405, 10471305, 13263653, 15304215, 39790959, 66318265, 198954795]

約数ペア:

[(1, 198954795), (3, 66318265), (5, 39790959), (13, 15304215), (15, 13263653), (19, 10471305), (39, 5101405), (57, 3490435), (65, 3060843), (95, 2094261), (195, 1020281), (247, 805485), (285, 698087), (741, 268495), (1235, 161097), (3705, 53699)]