221211176139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{145303}}^1$

素因数の和:145664

約数の個数: 48

約数和(自身を含む): 349078329600

約数和(自身を除く): 127867153461

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 307, 551, 921, 1653, 2763, 4959, 5833, 8903, 17499, 26709, 52497, 80127, 145303, 169157, 435909, 507471, 1307727, 1522413, 2760757, 4213787, 8282271, 12641361, 24846813, 37924083, 44608021, 80061953, 133824063, 240185859, 401472189, 720557577, 847552399, 1293632609, 2542657197, 3880897827, 7627971591, 11642693481, 24579019571, 73737058713, 221211176139]

約数ペア:

[(1, 221211176139), (3, 73737058713), (9, 24579019571), (19, 11642693481), (29, 7627971591), (57, 3880897827), (87, 2542657197), (171, 1293632609), (261, 847552399), (307, 720557577), (551, 401472189), (921, 240185859), (1653, 133824063), (2763, 80061953), (4959, 44608021), (5833, 37924083), (8903, 24846813), (17499, 12641361), (26709, 8282271), (52497, 4213787), (80127, 2760757), (145303, 1522413), (169157, 1307727), (435909, 507471)]