28738983

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 49548800

約数和(自身を除く): 20809817

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 199, 273, 299, 483, 529, 597, 897, 1393, 1587, 2093, 2587, 3703, 4179, 4577, 6279, 6877, 7761, 11109, 13731, 18109, 20631, 32039, 48139, 54327, 59501, 96117, 105271, 144417, 178503, 315813, 416507, 736897, 1249521, 1368523, 2210691, 4105569, 9579661, 28738983]

約数ペア:

[(1, 28738983), (3, 9579661), (7, 4105569), (13, 2210691), (21, 1368523), (23, 1249521), (39, 736897), (69, 416507), (91, 315813), (161, 178503), (199, 144417), (273, 105271), (299, 96117), (483, 59501), (529, 54327), (597, 48139), (897, 32039), (1393, 20631), (1587, 18109), (2093, 13731), (2587, 11109), (3703, 7761), (4179, 6877), (4577, 6279)]