28916955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 25595685

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1091, 1395, 1767, 2945, 3273, 5301, 5455, 8835, 9819, 16365, 20729, 26505, 33821, 49095, 62187, 101463, 103645, 169105, 186561, 304389, 310935, 507315, 642599, 932805, 1521945, 1927797, 3212995, 5783391, 9638985, 28916955]

約数ペア:

[(1, 28916955), (3, 9638985), (5, 5783391), (9, 3212995), (15, 1927797), (19, 1521945), (31, 932805), (45, 642599), (57, 507315), (93, 310935), (95, 304389), (155, 186561), (171, 169105), (279, 103645), (285, 101463), (465, 62187), (589, 49095), (855, 33821), (1091, 26505), (1395, 20729), (1767, 16365), (2945, 9819), (3273, 8835), (5301, 5455)]