218519955

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6967}}^1$

素因数の和:7036

約数の個数: 48

約数和(自身を含む): 410889024

約数和(自身を除く): 192369069

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 1845, 2091, 3485, 6273, 6967, 10455, 20901, 31365, 34835, 62703, 104505, 118439, 285647, 313515, 355317, 592195, 856941, 1065951, 1428235, 1776585, 2570823, 4284705, 4855999, 5329755, 12854115, 14567997, 24279995, 43703991, 72839985, 218519955]

約数ペア:

[(1, 218519955), (3, 72839985), (5, 43703991), (9, 24279995), (15, 14567997), (17, 12854115), (41, 5329755), (45, 4855999), (51, 4284705), (85, 2570823), (123, 1776585), (153, 1428235), (205, 1065951), (255, 856941), (369, 592195), (615, 355317), (697, 313515), (765, 285647), (1845, 118439), (2091, 104505), (3485, 62703), (6273, 34835), (6967, 31365), (10455, 20901)]