28099215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 53846208

約数和(自身を除く): 25746993

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1597, 1955, 3519, 4791, 5865, 7985, 14373, 17595, 23955, 27149, 36731, 71865, 81447, 110193, 135745, 183655, 244341, 330579, 407235, 550965, 624427, 1221705, 1652895, 1873281, 3122135, 5619843, 9366405, 28099215]

約数ペア:

[(1, 28099215), (3, 9366405), (5, 5619843), (9, 3122135), (15, 1873281), (17, 1652895), (23, 1221705), (45, 624427), (51, 550965), (69, 407235), (85, 330579), (115, 244341), (153, 183655), (207, 135745), (255, 110193), (345, 81447), (391, 71865), (765, 36731), (1035, 27149), (1173, 23955), (1597, 17595), (1955, 14373), (3519, 7985), (4791, 5865)]