28972515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1039}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 25839645

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 715, 845, 1039, 1859, 2145, 2535, 3117, 5195, 5577, 9295, 11429, 13507, 15585, 27885, 34287, 40521, 57145, 67535, 148577, 171435, 175591, 202605, 445731, 526773, 742885, 877955, 1931501, 2228655, 2633865, 5794503, 9657505, 28972515]

約数ペア:

[(1, 28972515), (3, 9657505), (5, 5794503), (11, 2633865), (13, 2228655), (15, 1931501), (33, 877955), (39, 742885), (55, 526773), (65, 445731), (143, 202605), (165, 175591), (169, 171435), (195, 148577), (429, 67535), (507, 57145), (715, 40521), (845, 34287), (1039, 27885), (1859, 15585), (2145, 13507), (2535, 11429), (3117, 9295), (5195, 5577)]