28649115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 55950336

約数和(自身を除く): 27301221

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 1867, 3069, 5115, 5601, 9335, 15345, 16803, 20537, 28005, 57877, 61611, 84015, 102685, 173631, 184833, 289385, 308055, 520893, 636647, 868155, 924165, 1909941, 2604465, 3183235, 5729823, 9549705, 28649115]

約数ペア:

[(1, 28649115), (3, 9549705), (5, 5729823), (9, 3183235), (11, 2604465), (15, 1909941), (31, 924165), (33, 868155), (45, 636647), (55, 520893), (93, 308055), (99, 289385), (155, 184833), (165, 173631), (279, 102685), (341, 84015), (465, 61611), (495, 57877), (1023, 28005), (1395, 20537), (1705, 16803), (1867, 15345), (3069, 9335), (5115, 5601)]