28144065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 21022143

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 97, 115, 145, 291, 345, 435, 485, 667, 841, 1455, 2001, 2231, 2523, 2813, 3335, 4205, 6693, 8439, 10005, 11155, 12615, 14065, 19343, 33465, 42195, 58029, 64699, 81577, 96715, 194097, 244731, 290145, 323495, 407885, 970485, 1223655, 1876271, 5628813, 9381355, 28144065]

約数ペア:

[(1, 28144065), (3, 9381355), (5, 5628813), (15, 1876271), (23, 1223655), (29, 970485), (69, 407885), (87, 323495), (97, 290145), (115, 244731), (145, 194097), (291, 96715), (345, 81577), (435, 64699), (485, 58029), (667, 42195), (841, 33465), (1455, 19343), (2001, 14065), (2231, 12615), (2523, 11155), (2813, 10005), (3335, 8439), (4205, 6693)]