153520913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 194745600

約数和(自身を除く): 41224687

約数列:

[1, 7, 13, 53, 91, 139, 229, 371, 689, 973, 1603, 1807, 2977, 4823, 7367, 12137, 12649, 20839, 31831, 51569, 84959, 95771, 157781, 222817, 413803, 670397, 1104467, 1687043, 2896621, 11809301, 21931559, 153520913]

約数ペア:

[(1, 153520913), (7, 21931559), (13, 11809301), (53, 2896621), (91, 1687043), (139, 1104467), (229, 670397), (371, 413803), (689, 222817), (973, 157781), (1603, 95771), (1807, 84959), (2977, 51569), (4823, 31831), (7367, 20839), (12137, 12649)]