27778095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 51723360

約数和(自身を除く): 23945265

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 613, 795, 855, 1007, 1839, 2385, 3021, 3065, 5035, 5517, 9063, 9195, 11647, 15105, 27585, 32489, 34941, 45315, 58235, 97467, 104823, 162445, 174705, 292401, 487335, 524115, 617291, 1462005, 1851873, 3086455, 5555619, 9259365, 27778095]

約数ペア:

[(1, 27778095), (3, 9259365), (5, 5555619), (9, 3086455), (15, 1851873), (19, 1462005), (45, 617291), (53, 524115), (57, 487335), (95, 292401), (159, 174705), (171, 162445), (265, 104823), (285, 97467), (477, 58235), (613, 45315), (795, 34941), (855, 32489), (1007, 27585), (1839, 15105), (2385, 11647), (3021, 9195), (3065, 9063), (5035, 5517)]