74872005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{641}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 129427200

約数和(自身を除く): 54555195

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 599, 641, 1797, 1923, 2995, 3205, 7787, 8333, 8985, 9615, 23361, 24999, 38935, 41665, 116805, 124995, 383959, 1151877, 1919795, 4991467, 5759385, 14974401, 24957335, 74872005]

約数ペア:

[(1, 74872005), (3, 24957335), (5, 14974401), (13, 5759385), (15, 4991467), (39, 1919795), (65, 1151877), (195, 383959), (599, 124995), (641, 116805), (1797, 41665), (1923, 38935), (2995, 24999), (3205, 23361), (7787, 9615), (8333, 8985)]