202800015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21563}}^1$

素因数の和:21604

約数の個数: 48

約数和(自身を含む): 403678080

約数和(自身を除く): 200878065

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 9405, 21563, 64689, 107815, 194067, 237193, 323445, 409697, 711579, 970335, 1185965, 1229091, 2048485, 2134737, 3557895, 3687273, 4506667, 6145455, 10673685, 13520001, 18436365, 22533335, 40560003, 67600005, 202800015]

約数ペア:

[(1, 202800015), (3, 67600005), (5, 40560003), (9, 22533335), (11, 18436365), (15, 13520001), (19, 10673685), (33, 6145455), (45, 4506667), (55, 3687273), (57, 3557895), (95, 2134737), (99, 2048485), (165, 1229091), (171, 1185965), (209, 970335), (285, 711579), (495, 409697), (627, 323445), (855, 237193), (1045, 194067), (1881, 107815), (3135, 64689), (9405, 21563)]