253893903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 365644800

約数和(自身を除く): 111750897

約数列:

[1, 3, 19, 53, 57, 159, 229, 367, 687, 1007, 1101, 3021, 4351, 6973, 12137, 13053, 19451, 20919, 36411, 58353, 84043, 230603, 252129, 369569, 691809, 1108707, 1596817, 4454279, 4790451, 13362837, 84631301, 253893903]

約数ペア:

[(1, 253893903), (3, 84631301), (19, 13362837), (53, 4790451), (57, 4454279), (159, 1596817), (229, 1108707), (367, 691809), (687, 369569), (1007, 252129), (1101, 230603), (3021, 84043), (4351, 58353), (6973, 36411), (12137, 20919), (13053, 19451)]