16913505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 14420895

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2039, 2765, 6117, 8295, 10195, 14273, 30585, 42819, 71365, 161081, 214095, 483243, 805405, 1127567, 2416215, 3382701, 5637835, 16913505]

約数ペア:

[(1, 16913505), (3, 5637835), (5, 3382701), (7, 2416215), (15, 1127567), (21, 805405), (35, 483243), (79, 214095), (105, 161081), (237, 71365), (395, 42819), (553, 30585), (1185, 14273), (1659, 10195), (2039, 8295), (2765, 6117)]